Nominal operating

current ±10% (mA)

Coil

resistance

±10% (Ω)

Max .allowable voltage

Pick-up voltage(Max.)

Drop-out voltage (Min.)

Nominal operating

power

Nominal voltage(VDC)

1/3

SRD-Series

UL，C-UL File No.：E190598

TUV File No.：R50142424

CQC File No.：CQC02001002126

VDE File No.: 40034479

3

5

6

9

12

15

18

24

48

60

120.00

71.42

60.00

40.00

30.00

24.00

20.00

15.00

7.50

6.00

25

70

100

225

400

625

900

1,600

6,400

10,000

100mΩ Max.

5msec. Max.

100MΩ Min.(DC500V)

AC750V，50/60Hz 1min.

AC1,500V，50/60Hz 1min.

Silver alloy

Between open contacts：

Between coil and contact：

-40℃～+85℃ (no condensation)

Functional

Destructive

Functional

Destructive

Mechanical

Electrical

(at 10,800 ops./h)

(at 1,800 ops./h)

Approx. 8.5 g

10～55Hz at double amplitude of 1.5 mm

10～55Hz at double amplitude of 1.5 mm

100G Min.

10G Min.

10,000,000 cycles

8msec. Max.

Contact material

Initial contact resistance (at 6VDC 1A)

Operate time (at nominal volt.)

Release time (at nominal volt.)

Initial insulation resistance

Initial dielectric strength

Vibration resistance

Shock resistance

Endurance(operations)

Ambient temperature

Unit weight

Model

Nominal switching

capacity (res. load)

Max. switching current

Max. switching voltage

Max. switching power

Contact Capacity

Characteristic Data

130 % ofnominalvoltage

75 % ofnominalvoltage

5 % ofnominalvoltage

0.36W

Features

Safety Approval

●

●

●

High contact capability： 12A switching capability.

Low coil power consumption, low price.

Microminiature relay, standard PCB terminal.

SANYOU RELAYSRelays for advanced technology

Miniature Power Relay

version:V2.4

Coil Data

100,000 cycles

(at 20℃)

SRD -DM

10A 250VAC

15A

277VAC

2,770VA

SRD -D

NO10A 250VAC

12A

277VAC

2,770VA

SRD-DB

7A 250VAC

12A

277VAC

1,939VA

NO/NC7A 250VAC

Please contact us if your working condition is 105℃

● Compliance with IEC/EN 60079-15 explosion-proof.

● Satisfice IEC60335-1 product is available.

● Satisfice IEC60079-15 product is available.

2/3

SRD

CQC02001002126 R50142424

7A 250VAC

7A 28VDC

10A 250VAC (Form A)

Safety Approval Ratings(Note:More detail of approval ratings,please refer to the safety certification)

Approval

File No.

Approved

ratings

SRD - S - 1 12 D M 1 -F -XX

Ordering InformationNomenclature

Special Parameter：Nil-Standard type

Insulation System：Nil-Standard, B-Class B, F-Class F

Contact Form：Nil-Form C, B-Form B, M-Form A

Coil Power：D-0.36W

Coil Voltage (VDC)：03, 05, 06, 09, 12, 15, 18, 24, 48, 60

Number of Poles：1-1 Pole

Protective Construction：S-Flux proofed, SH-Sealed type washable

Type Designation：SRD

7A 250VAC

5A 240VAC

10A 250VAC

(Form A &

Form C NO)

40034479

Contact 2 or blank:10A 250VAC(Form C,NO)7A 250VAC(Form C,NO)6A 250VAC(Form C，NC)

Contact 2 or blank:10A 250VAC(Form A)7A 250VAC(Form A)

Contact 3:10A 250VAC(Form C,NO)7A 250VAC(Form C,NO)6A 250VAC(Form C，NC)

Contact 3:10A 250VAC(Form A)7A 250VAC(Form A)

CQC TUV VDE UL/CUL

E190598

contact code 2（Form C)or Nil(Form A or Form B)：

contact code 2(Form A or Form B)or Nil（Form C)：

contact code1 or 3：

contact code 4：

contact code 5：

Contact Material：

Moveable Contact for form C Moveable Contact for form A Moveable Contact for form B

Nil-AgSnO2 φ2.8 Nil-AgSnO2 φ3.0 Nil-AgSnO2 φ3.0

1- AgCdO φ2.8 1-AgCdO φ3.0 1-AgCdO φ3.0

2-AgSnO2 φ3.0 6-AgNi φ3.0

3- AgCdO φ3.0

4-3 Compounds φ3.0

5-Cu plated with La φ3.0

6-AgNi φ3.0

(2)All stationary contacts are specified as : φ3.0

contact code 6(Form A or Form C)：

10A 277 VAC,Resistive&General use,NO

7A 277 VAC,Resistive&General use,NC

12A 125VAC,Resistive,NO&NC15A 125VAC,Resistive,NO10A 250VAC,Resistive,No7A 250VAC,General use,No&NC3A 125VAC,General use NO&NC10A/6A 250VAC ,General use NO/NC10A/6A 125VAC ,General use NO/NC10A/6A 28VDC ,General use NO/NC1/3 HP 250VAC,NO&NCFLA 5A,LRA 10A,120/240VAC,NOPilot duty:240VA,240VACTV-3 120VAC,NOTV-5,120VAC,NO

12A/15A 125VAC,General use&Resistive,NO10A 250VAC/28VDC,General use&Resistive,NO1/3 HP 250VAC,NOFLA 5A,LRA 10A,120/240VAC,NOTV-3 120VAC,NO

12A/15A 125VAC,General use&Resistive,NO10A 250VAC/28VDC,General use&Resistive,NO1/3 HP 250VAC,NOFLA 5A,LRA 10A,120/240VAC,NOTV-3 120VAC,NO

7A 250VAC,General use&Resistive,NO&NC7A 250VAC,General use&Resistive,NO

7A 250VAC,General use&Resistive,NO&NC7A 250VAC,General use&Resistive,NO

Notes：(1)Dust covers with the marking of "VDE" are just for intend products with the suffixs of "D2","D3","D6", and DM6"D", "DM" " ".

3/3

SRD

P.C.B. Layout (bottom view)

Wiring Diagram (bottom view)

Outline Dimensions, Wiring Diagram, P.C. Board Layout (unit：mm)

Unless otherwise specified：

If dimension ＜1mm, tolerance： ±0.2mm;

If dimension 1~5mm, tolerance： ±0.3mm;

If dimension ＞5mm, tolerance： ±0.4mm.

Note：Extended terminal dimension is dimension

before soldering.

Tolerance of P.C.B. layout：±0.1mm.

Tolerance of P.C.B. layout：±0.1mm.

100

10

1

10 100 1000

100

50

10

5

AC(1a)

AC(1c)

DC

28VDC, 250VAC Res.

1a

1c

0 5 10 15

60

50

40

30

20

10

10A

7A

0A

0 80 90 100 110 120 130

Tem

p. R

ise

(K

)

Typical Applications

Characteristic Curves

●

● ●

●

Home appliances such as air conditioner, heater, etc.

Automat Office equipment such as computer, fax machine, etc.

Automatic eletric controlled window, automotive antenna, door lock, etc.

Contact Current(A)

Op

era

tio

ns(

×10000 O

ps.

)

Endurance Curve

Co

nta

ct C

urr

en

t(A

)

Contact Voltage(V)

Max. Switching Power

Percentage of Nominal Coil Voltage

Coil Temp. Rise

0

Disclaimer: This datasheet is the customers' reference. All the specification are subject to change without notice. We could not evaluate all the performance and all the parameters for every possible application.Thus the user should in a right position to choose the suitable product for their own application.If there is any query,please contact Sanyou for the technical service.However it is the user's responsibility to determine which product should be used only.

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